When the organisers of the Def Con conference in Las Vegas ran a "Voting Village", to test American voting machines.. most were hacked in minutes
In their 50 page report found here
https://defcon.org/images/defcon-26/...e%20report.pdf
They describe the number and severity of flaws in voting equipment as "staggering" and noted just hacking one of the machines could enable an attacker to "flip the electoral college and determine the outcome of a presidential election".
So that along with other advise went to Congress, known as the Secure Elections Act, where REPUBLICANS decided it would not be passed by Congress ahead of the mid-term elections in November.
Also note earlier this year, an amendment for $250m to increase spending on election security measures was blocked by Republican senators.
… Republicans will be making this app I presume?